Clock



FIG. 1 is perspective view of the clock in accordance with my invention;

FIG. 2 is front thereof;

FIG. 3 is back view thereof;

FIG. 4 is side view of the invention as shown in FIG. 1;

FIG. 5 is an opposite side view of FIG. 4;

FIG. 6 is a top view of the invention; and,

FIG. 7 is a bottom view of the invention.

The broken lines shown in FIGS. 1-7 are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a clock, as shown and described. 